Which is likely negated by the membership of the Euro single currency.
> The German economy was relatively prosperous by 2012, and European monetary policy was far too tight for weaker economies. Portugal, Italy, Ireland, Greece, and Spain all faced high debt, high interest rates, and high unemployment. This time, monetary policy was too tight rather than too loose. The only constant was that the euro continued to work in favor of Germany.
https://www.investopedia.com/ask/answers/09/euro-introductio...
They would be far better served by a single market, without the Euro.